Home / 110,280.40-165,420.60-31,397.20

Finding the Fourth Proportional to 110,280.40, 165,420.60 and 31,397.20

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Solution

The fourth proportional to 110,280.40, 165,420.60 and 31,397.20 is: 47,095.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,280.40 : 165,420.60 = 31,397.20 : x
  2. Step 2: Convert to fraction form
    110,280.40/165,420.60 = 31,397.20/x
  3. Step 3: Cross multiply
    110,280.40x = 165,420.60 × 31,397.20
  4. Step 4: Simplify right side
    110,280.40x = 5,193,743,662.32
  5. Step 5: Solve for x
    x = 5,193,743,662.32/110,280.40
  6. Step 6: Final answer
    x = 47,095.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.